package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.RoleDao;
import com.itheima.dao.UserDao;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Set;


@Service(interfaceClass = UserService.class)
@Transactional
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDao userDao;
    @Autowired
    private RoleDao roleDao;
    @Autowired
    private PermissionDao permissionDao;
    @Override
    public User findByUsername(String username) {
        User user=userDao.findByUsername(username);
        if (user == null){
            return null;
        }
        Integer id = user.getId();
        Set<Role> roles=roleDao.findByUserId(id);
        if (roles !=null && roles.size()>0){
            for (Role role : roles) {
                Integer roleId = role.getId();
               Set<Permission>permissions= permissionDao.findByRoleId(roleId);
                if (permissions !=null && permissions.size()>0){
                    role.setPermissions(permissions);
                }
            }
            user.setRoles(roles);
        }
        return user;
    }
}
